• 1. Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China;
  • 2. Department of Thoracic Surgery, Shangjin Hospital West China Hospital/Chengdu Shangjin Nanfu Hospital, Chengdu, 611743, P. R. China;
ZHU Yunke, Email: yunke_zhu@qq.com; SHEN Cheng, Email: shencheng568_hx@163.com
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As an important method for minimally invasive treatment of pulmonary nodules, cryoablation and thermal ablation have the advantages of short hospital stay and low medical cost, with a higher cost-effectiveness ratio. Cryoablation, with its "visual ice ball effect" and lower "heat sink effect", shows unique advantages in the treatment of nodules near large blood vessels, airways and other special areas. Among thermal ablation techniques, microwave ablation, with its high heating efficiency and less influence from blood flow, has become the preferred option for nodules larger than 3 cm or those adjacent to blood vessels; radiofrequency ablation has a higher local control rate in small-volume (less than 1 cm) nodules and subsolid nodules. Through literature review, it is found that there are few studies comparing cryoablation and thermal ablation and systematically and comprehensively elaborating on the application status, safety and management of complications of cryoablation and thermal ablation. Therefore, this article will systematically review the basic principles of cryoablation and thermal ablation, the current clinical application status in pulmonary nodules, the comparison between cryoablation and thermal ablation, and the safety and management of complications.

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